List of U.S. Highways in Maryland

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US 1.svgUS 50.svgUS 240.svg
Standard route signs in Maryland
Highway names
Interstates: Interstate X (I-X)
US Routes: U.S. Route X (US X)
State: Maryland Route X (MD X)
System links

The following is a list of U.S. Highways in Maryland. There are currently 14 U.S. Highways that exist entirely or partially in the U.S. state of Maryland. Seven of these are primary U.S. Highways while seven are auxiliary U.S. Highways that may or may not be related to one of the primary U.S. Highways. The longest primary U.S. Highway in Maryland is U.S. Route 40 (commonly abbreviated US 40) at 221.31 miles (356.16 km). The shortest primary U.S. Highway in Maryland is US 11 at 12.83 miles (20.65 km). The longest auxiliary U.S. Highway in Maryland is US 301 at 123.30 miles (198.43 km). The shortest auxiliary U.S. Highway in Maryland is US 522 at 2.37 miles (3.81 km). All U.S. Highways are maintained by the Maryland State Highway Administration except for the portions that run through Baltimore, Hagerstown, and Cumberland. Maryland has five former U.S. Highways; those five are shaded in dark gray in the list.

Number Length (mi)[1] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 1 80.25 129.15 US 1 in Washington, D.C. US 1 at the Pennsylvania state line near Rising Sun 1926[2] current
US 11 12.83 20.65 US 11 at the West Virginia state line in Williamsport US 11 at the Pennsylvania state line near Hagerstown 1926[2] current
US 13 42.48 68.36 US 13 at the Virginia state line near Pocomoke City US 13 at the Delaware state line in Delmar 1926[2] current
US 15 37.85 60.91 US 15 at the Virginia state line at Point of Rocks US 15 at the Pennsylvania state line near Emmitsburg 1927[3] current
US 29 29.51 47.49 US 29 in Washington, D.C. MD 99 in Ellicott City 1934[4] current
US 40 221.31 356.16 US 40 at the Pennsylvania state line near Keysers Ridge US 40 at the Delaware state line in Elkton 1926[2] current
US 48 81.09 130.50 West Virginia state line near Friendsville I-70 / US 40 / US 522 in Hancock 1974[5] 1991[6] Replaced by I-68
US 50 150.06 241.50 US 50 at the West Virginia state line near Red House
US 50 in Washington, D.C.		 US 50 at the West Virginia state line near Gorman
MD 378 / MD 528 in Ocean City		 1926[2] current Two segments; length is sum of segments[1]
US 111 32.24 51.89 US 1 in Baltimore Pennsylvania state line at Maryland Line 1926[2] 1963[7] Replaced by MD 45, I-695, and I-83
US 113 37.84 60.90 US 13 in Pocomoke City US 113 at the Delaware state line at Bishop 1926[2] current
US 140 38.50 61.96 US 1 in Baltimore Pennsylvania state line near Littlestown, PA 1926[2] 1979[8] Replaced by MD 140 and MD 97
US 213 58.27 93.78 US 50 in Wye Mills US 40 in Elkton 1926[2] 1972[9] Replaced by MD 213
US 219 48.40 77.89 US 219 at the West Virginia state line near Red House US 219 at the Pennsylvania state line near Grantsville 1926[2] current
US 220 27.35 44.02 US 220 at the West Virginia state line in McCoole US 220 at the Pennsylvania state line near Dickens 1926[2] current
US 222 3.60 5.79 US 1 at Conowingo US 222 at the Pennsylvania state line near Conowingo 1930[10] current
US 240 36.75 59.14 Washington, D.C. I-70 / US 40 in Frederick 1926[2] 1973[11] Replaced by MD 355 and I-270
US 301 122.85 197.71 US 301 at the Virginia state line near Newburg US 301 at the Delaware state line near Warwick 1939[12] current
US 340 16.99 27.34 US 340 at the Virginia state line near Harpers Ferry, WV US 15 / US 40 in Frederick 1926[2] current
US 522 2.37 3.81 US 522 at the West Virginia state line in Hancock I-70 / US 522 at the Pennsylvania state line in Hancock 1930[10] current

Special routes

Number Length (mi)[1] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes

US 1 Alt.		 2.09 3.36 US 1 Alternate in Washington, D.C. US 1 in Hyattsville 1946[13] current Alternate route via Bladensburg

US 1 Alt.		 3.92 6.31 US 1 in Arbutus US 1 in Baltimore 1949[14] current Alternate route via Halethorpe
US 1 Bus. 6.90 11.10 US 1 / MD 147 at Benson US 1 in Hickory 1966[15] current Business route through Bel Air
US 13 Bus. 2.48 3.99 US 13 in Pocomoke City US 13 / MD 364 in West Pocomoke 1994 current Business route through Pocomoke City
US 13 Bus. 8.14 13.10 US 13 near Fruitland US 13 / US 50 in Salisbury 1983[16] current Business route through Fruitland and Salisbury
x25px US 15 Bus. 2.34 3.77 US 15 near Emmitsburg US 15 in Emmitsburg 1967[17] current Business route through Emmitsburg

US 40 Alt.		 31.80 51.18 US 40 at Keyser's Ridge I-68 / US 40 / US 220 / MD 639 in Cumberland 1983[16] current Alternate route via Grantsville and Frostburg

US 40 Alt.		 22.97 36.97 Potomac Street in Hagerstown US 40 in Frederick 1952[18] current Alternate route via Boonsboro and Middletown

US 40 Scenic		 9.50 15.29 Fifteen Mile Creek Road in Green Ridge State Forest I-68 / US 40 near Hancock 1965[19] current Scenic route across Town Hill and Sideling Hill; length only includes state-maintained section in Allegany County
US 50 Bus. 6.88 11.07 US 50 near Salisbury US 13 / US 50 in Salisbury 2002[20] current Business route through Salisbury
US 113 Bus. 2.48 3.99 US 113 near Snow Hill US 113 in Snow Hill 1997[21] current Business route through Snow Hill

See also

References

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